The present invention is directed to determining a length of at least one bridged tap on a transmission line. The invention includes estimating an Equivalent Working Length (EWL) associated with the transmission line using an Hlog spectrum by converting at least one Hlog data point in an EWL estimation, determining the shortest EWL estimation to be an EWL associated with the tap, and determining loss due to the tap by subtracting the Hlog for a straight piece of 26G wire of length EWL from the input data Hlog. The losses are then removed from the Hlog spectrum using the EWL. A tap associated with a peak can be identified in a Fourier analysis of the Hlog spectrum. A length of a tap is determined using a Chi-squared analysis by verifying a tap, subtracting the theoretical loss due to the tap from the Hlog spectrum and repeating the process until all taps are identified.
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November 20, 2008
August 21, 2012
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